For the following questions answer them individually
A man earns a profit of 20 percent by selling a calculator for a certain price. If he sells that calculator at double the price, then what will be the profit percentage?
The bar graph given below shows the income and expenditure of a company in free years.
What is the ratio of total income in year M and N to the total expenditure in year J, K and L?
In an equilateral triangle ABC. P is the centroid of this triangle. Side of $$\triangle$$ABC is $$16\surd{3}$$ cm. What is the distance of point P from side BC?
The marked price of an article is 40 percent more than its cost price. If 20 percent discount is given on the marked price, then what will be the profit percentage?
Rama alone can do a work in 5 days working 4 hours a day. Seema alone can do the same work in 3 days working 10 hours a day. How many hours do they need to work together in a day to complete the same work in 6 days?
In an examination, 45 percent students passed in history and 60 percent students passed in hindi. If 8 percent students failed in both the subjects, then what percentage students passed in both the subjects?